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| author |   Daeho Jeong <daehojeong@google.com> | 2021-08-02 21:22:45 -0700 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk@kernel.org> | 2021-08-03 11:16:22 -0700 |
| commit | 0f6b56ec958d49e2b3dc955cdac6b62702c04b72 (patch) | |
| tree | 7d6b246158ca89612e6004bf773fa1224a87d5ac /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | f2fs: introduce discard_unit mount option (diff) | |
| download | linux-dev-0f6b56ec958d49e2b3dc955cdac6b62702c04b72.tar.xz linux-dev-0f6b56ec958d49e2b3dc955cdac6b62702c04b72.zip | |
f2fs: add sysfs node to control ra_pages for fadvise seq file
fadvise() allows the user to expand the readahead window to double with
POSIX_FADV_SEQUENTIAL, now. But, in some use cases, it is not that
sufficient and we need to meet the need in a restricted way. We can
control the multiplier value of bdi device readahead between 2 (default)
and 256 for POSIX_FADV_SEQUENTIAL advise option.
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions